Respuesta :

1wlti

Answer:

the most common index fossils are shells of invertebrates. give two reasons why this is so. Fusulinids make good index fossils. they are very abundant in marine sediment, widely distributed, and existed during a specific period in time.

Explanation:

learned in science class

maimah48

Answer:

Fusulinids make good index fossils. They are very abundant in marine sediment,widely distributed and existed during a specific period in time.